Is constantly tearing hangnails a disease? Is human nature inherently masochistic?

An old Chinese doctor advises against masturbation

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The point of this video is that girls can try massage to relieve menstrual pain ^_^ (Girls must be g

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Anesthetics these days are really amazing—if I got anesthetic and then went to fight, wouldn't I be

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Real ASMR | A private costume-themed salon where a big "bear" technician massages a little bear seni

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What is excessive masturbation?

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Are the videos we watched fake? Has wild sex education been fooling us all these years?

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After watching the video, I want to drink water...

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Why does the doctor always pry into my sex life?

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It's been so long! I came to the rooftop again to dance!

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Dreaming back to the economically booming era of the early 2000s!

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Demon Slayer

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Extremely comfortable! The whole process of pedicure for super thick calluses [unzipping animation]

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The alchemist came to "make pills" again. I’ll take some jujube kernel pills today and sleep better.

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A millennium-old mystery—anyone who understands can step forward and explain it.

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What does a piece of dental calculus look like?

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The Wisdom of the Ancients

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Electricity-Resistant King

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How a Car Engine Works

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Kochou Shinobu Character Profile: Coins can be flipped to make choices, but unwavering determination

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With this length, it's really not easy to poop out.

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